/**
 * Licensed to JumpMind Inc under one or more contributor
 * license agreements.  See the NOTICE file distributed
 * with this work for additional information regarding
 * copyright ownership.  JumpMind Inc licenses this file
 * to you under the GNU General Public License, version 3.0 (GPLv3)
 * (the "License"); you may not use this file except in compliance
 * with the License.
 *
 * You should have received a copy of the GNU General Public License,
 * version 3.0 (GPLv3) along with this library; if not, see
 * <http://www.gnu.org/licenses/>.
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.jumpmind.metl.ui.common;

import static org.apache.commons.lang.StringUtils.isBlank;

import com.vaadin.navigator.View;
import com.vaadin.navigator.ViewChangeListener.ViewChangeEvent;
import com.vaadin.server.Page;
import com.vaadin.ui.Label;
import com.vaadin.ui.VerticalLayout;

public class PageNotFoundView extends VerticalLayout implements View {

    private static final long serialVersionUID = 1L;

    Label pageNotFoundLabel = new Label();

    ViewManager viewManager;

    public PageNotFoundView(ViewManager viewManager) {
        this.viewManager = viewManager;
        setSizeFull();
        setMargin(true);
        addComponent(pageNotFoundLabel);
    }

    @Override
    public void enter(ViewChangeEvent event) {
        String uriFragment = Page.getCurrent().getUriFragment();
        if (isBlank(uriFragment)) {
            viewManager.navigateToDefault();
        } else {
            pageNotFoundLabel.addStyleName("failure");
            pageNotFoundLabel.setValue("Could not find page for " + uriFragment);
        }
    }

}
